<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        div{
            font-size: 100px;
            height: 200px;
            background-color: orange;
        }
        span{
            background-color: red;
            font-size: 40px;
            vertical-align:middle;
        }
    </style>
</head>
<body>
<div>你好x<span>x文字</span></div>
<table border="1" capitalize="">

</table>
</body>
</html>